drm/amdkfd: Added gfx_v12_kfd2kgd interface for GFX12.

Initial implementation, based on GFX11.

v2: Removed functions not needed by cp scheduler.
v3: Fixed typos.
v4: squash in warning fix (Alex)
Signed-off-by: David Belanger <david.belanger@amd.com>
Acked-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -281,7 +281,8 @@ amdgpu-y += \
 	amdgpu_amdkfd_gc_9_4_3.o \
 	amdgpu_amdkfd_gfx_v10.o \
 	amdgpu_amdkfd_gfx_v10_3.o \
-	amdgpu_amdkfd_gfx_v11.o
+	amdgpu_amdkfd_gfx_v11.o \
+	amdgpu_amdkfd_gfx_v12.o
 
 ifneq ($(CONFIG_DRM_AMDGPU_CIK),)
 amdgpu-y += amdgpu_amdkfd_gfx_v7.o

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -56,6 +56,7 @@ extern const struct kfd2kgd_calls gc_9_4_3_kfd2kgd;
 extern const struct kfd2kgd_calls gfx_v10_kfd2kgd;
 extern const struct kfd2kgd_calls gfx_v10_3_kfd2kgd;
 extern const struct kfd2kgd_calls gfx_v11_kfd2kgd;
+extern const struct kfd2kgd_calls gfx_v12_kfd2kgd;
 
 static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size,
 				unsigned int chunk_size);
@@ -444,11 +445,11 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf)
 			break;
 		case IP_VERSION(12, 0, 0):
 			gfx_target_version = 120000;
-			f2g = &gfx_v11_kfd2kgd; /* GFX12_TODO: Change to v12 when available. */
+			f2g = &gfx_v12_kfd2kgd;
 			break;
 		case IP_VERSION(12, 0, 1):
 			gfx_target_version = 120001;
-			f2g = &gfx_v11_kfd2kgd; /* GFX12_TODO: Change to v12 when available. */
+			f2g = &gfx_v12_kfd2kgd;
 			break;
 		default:
 			break;